WORKERS' PARTICIPATION: (Tables)

12 Months Ended

Dec. 31, 2018

WORKERS' PARTICIPATION:

Schedule of workers' participation expense

Workers’ participation expense for the three years ended December 31, 2018 was as follows (in millions):

	2018		2017		2016
Current	$	219.9	$	192.7	$	131.8
Deferred		9.8		6.6		(13.4)
	$	229.7	$	199.3	$	118.4